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P4 + 6 H2 = 4 PH3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
NO2 = NO + O2 =>
2 NO2 = 2 NO + O2
Al + Ca(CN)2 = Al(CN)3 + Ca =>
2 Al + 3 Ca(CN)2 = 2 Al(CN)3 + 3 Ca
Pb + NH4ClO4 = Pb2O4 + N2 + HCl + H2O =>
10 Pb + 8 NH4ClO4 = 5 Pb2O4 + 4 N2 + 8 HCl + 12 H2O
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
Cu + Zn(NO3)2 = Zn + Cu(NO3) =>
2 Cu + Zn(NO3)2 = Zn + 2 Cu(NO3)
P4 + IO3{-} + OH{-} = PO4{3-} + I2 + H2O =>
P4 + 4 IO3{-} + 8 OH{-} = 4 PO4{3-} + 2 I2 + 4 H2O
PbCl2 + NaOH = PbOH + NaCl2 =>
PbCl2 + NaOH = PbOH + NaCl2
Lu + H2O = Lu(OH)3 + H2 =>
2 Lu + 6 H2O = 2 Lu(OH)3 + 3 H2
H4SiO4 + CuO = Cu2(SiO4) + H2O =>
H4SiO4 + 2 CuO = Cu2(SiO4) + 2 H2O
Rb + CuO = Cu + Rb2O =>
2 Rb + CuO = Cu + Rb2O
C3H6O3 + NaOH = NaC3H5O3 + H2O =>
C3H6O3 + NaOH = NaC3H5O3 + H2O
CH3SO3Na + O2 = CO2 + H2O + SO2 + NaO =>
4 CH3SO3Na + 7 O2 = 4 CO2 + 6 H2O + 4 SO2 + 4 NaO
SiO2 + Mg = Si + MgO =>
SiO2 + 2 Mg = Si + 2 MgO
C6H6 + NaMnO4 + NaOH = Na2CO3 + MnO2 + H2O =>
C6H6 + 10 NaMnO4 + 2 NaOH = 6 Na2CO3 + 10 MnO2 + 4 H2O
Na2CrO4 + NaNO2 + H2O = Cr(OH) + NaOH + NaNO3 =>
2 Na2CrO4 + 5 NaNO2 + 3 H2O = 2 Cr(OH) + 4 NaOH + 5 NaNO3
C25H52 + O2 = CO + H2O =>
2 C25H52 + 51 O2 = 50 CO + 52 H2O
Sn + H2SO4 = SnSO4 + SO2 + H2O =>
Sn + 2 H2SO4 = SnSO4 + SO2 + 2 H2O
Mg(ClO3)2 + Na2S = MgS + NaClO3 =>
Mg(ClO3)2 + Na2S = MgS + 2 NaClO3
CaO(s)H2O(l) = Ca(OH)2(aq) =>
CaO(s)H2O(l) = Ca(OH)2(aq)
MoS4{2-} + H2SO4 = Mo{4+} + SO4{2-} + H2S + S =>
MoS4{2-} + 3 H2SO4 = Mo{4+} + 3 SO4{2-} + 3 H2S + S
Hg + H2TeO4 = HgTeO4 + H2 =>
Hg + H2TeO4 = HgTeO4 + H2
Cr + HNO3 = Cr2O3 + NO2 + H2O =>
2 Cr + 6 HNO3 = Cr2O3 + 6 NO2 + 3 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
P2O5 + Ca = P4 + CaO =>
2 P2O5 + 10 Ca = P4 + 10 CaO
CaCO3(s) + CH3COOH(aq) = Ca(CH3COO)2 + H2O + CO2 =>
CaCO3(s) + 2 CH3COOH(aq) = Ca(CH3COO)2 + H2O + CO2
C + O2 = CO =>
2 C + O2 = 2 CO
Al(NO3)3 + CaS = Al2S3 + Ca(NO3)2 =>
2 Al(NO3)3 + 3 CaS = Al2S3 + 3 Ca(NO3)2
BiCl3 + Na(Sn(OH)4) + NaOH = Bi + Na2(Sn(OH)6) + NaCl =>
BiCl3 + 3 Na(Sn(OH)4) + 6 NaOH = Bi + 3 Na2(Sn(OH)6) + 3 NaCl
C2H3Cl(l) + O2(g) = CO2(g) + H2O(l) + HCl(g) =>
2 C2H3Cl(l) + 5 O2(g) = 4 CO2(g) + 2 H2O(l) + 2 HCl(g)
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
CH3COCH3 + KMnO4 = CHOOCH3 + KMnO3 =>
2 CH3COCH3 + 4 KMnO4 = 3 CHOOCH3 + 4 KMnO3
CuS + Al2S3 = Cu2S + AlS3 =>
6 CuS + Al2S3 = 3 Cu2S + 2 AlS3
NaHCO3 + HOOC{-}[CH(OH)]2{-}COOH = NaCOO{-}[CH(OH)]2{-}COONa + CO2 + H2O =>
NaHCO3 + HOOC{-}[CH(OH)]2{-}COOH = NaCOO{-}[CH(OH)]2{-}COONa + CO2 + H2O
Mg + CuCl2 = MgCl2 + Cu =>
Mg + CuCl2 = MgCl2 + Cu
KMnO4 + H2C2O4 + K2C2O4 = K3[Mn(C2O4)3] + H2O + CO2 =>
KMnO4 + 4 H2C2O4 + K2C2O4 = K3[Mn(C2O4)3] + 4 H2O + 4 CO2
ZnO + HI = ZnI + OH =>
ZnO + HI = ZnI + OH
Co + S2 = CoS =>
2 Co + S2 = 2 CoS
Na2Cl + CaCl2 = NaCl2 + CaCl =>
Na2Cl + 3 CaCl2 = 2 NaCl2 + 3 CaCl
C2H6 + H2O = CO + H2 =>
C2H6 + 2 H2O = 2 CO + 5 H2
Al + MnO2 = MnAl + O2 =>
Al + MnO2 = MnAl + O2
NH3 + CH3OH = CH3NH3OH =>
NH3 + CH3OH = CH3NH3OH
HNO3 + H2S = NO + S + H2O1 =>
2 HNO3 + 3 H2S = 2 NO + 3 S + 4 H2O1
NaNH4Cl = NaClNH4 =>
NaNH4Cl = NaClNH4
H2 + CuS04 = H2S04 + Cu =>
H2 + CuS04 = H2S04 + Cu
NaH + CO2 = HCOONa =>
NaH + CO2 = HCOONa
Al(NO3)3 + AgNO3 = Ag(NO3)3 + AlNO3 =>
Al(NO3)3 + AgNO3 = Ag(NO3)3 + AlNO3
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